 /* 右边框 */
 #c-right{
    width: 1250px;
    height: 700px;
    padding-right: 2px;
    display: inline-block;
    background-color: #2b2b2b;
    overflow: hidden;
      float: left;
   }
   /* #c-right li:first-child{
      font-size: 23px;
      border-bottom: solid red;
   } */
   #c-right li{
    color: #f2f2f2;
    list-style: none;
    display: inline-block;
    cursor: pointer;
    margin-left: 30px;
    font-size: 20px;
   }
   /* 公告栏 */
   #advertise{
    width: 77%;
    height: 350px;
    border: 1px solid white;
   margin-left: 8%;
   border-radius: 20px;
   background-image: url(../images/1.png);
   background-size:contain;
   cursor: pointer;
   }
   #c-right p{
    color: gainsboro;
    font-weight: 500;
    font-size: 20px;
    font-weight: 550;
    margin-left: 40px;
    margin-top: 15px;
   }
   /* 四个歌曲图片 */
   #recommend div{
      width: 150px;
      height: 150px;
      display: inline-block;
      margin-left: 40px;
     }
   #recommend div:nth-child(1){
    width: 150px;
    height: 150px;
    display: inline-block;
    margin-left: 80px;
   }
   #recommend img{
    width: 100%;
    height: 100%;
    cursor: pointer;
    border-radius: 10px;
   }
   /* 介绍栏 */
   #introduce1{
    width: 160px;
    height: 60px;
    display: inline-block;
    margin-left: 80px;
    color: gainsboro;
    text-align: center;
    font-size: 17px;
   }
   #introduce2{
    width: 160px;
    height: 60px;
    display: inline-block;
    color: gainsboro;
    text-align: center;
    margin-left: 20px;
    font-size: 18px;
   }
   #introduce3{
    width: 160px;
    height: 60px;
    display: inline-block;
    margin-left: 30px;
    color: gainsboro;
    text-align: center;
    font-size: 18px;
   }
   #introduce4{
    width: 160px;
    height: 60px;
    display: inline-block;
    margin-left: 20px;
    color: gainsboro;
    text-align: center;
    font-size: 18px;
   }
   #introduce5{
      width: 160px;
      height: 60px;
      display: inline-block;
      margin-left: 40px;
      color: gainsboro;
      text-align: center;
      font-size: 18px;
     }